Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC - Rocker Wall Switches
HUBBELLRocker Wall Switches

HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC

The HUBBELL DS320STBK is a 3-way, maintained rocker wall switch rated for 120/277V AC and 20 A. This non-illuminated switch is designed for commercial and industrial applications requiring reliable manual control.

SKU 3G-OTH-16739

Brand
HUBBELL
Item
Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC
Category
Rocker Wall Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HUBBELL
Manufacturer Part Number
DS320STBK
Illuminated
No
Voltage Rating
120/277V AC
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

HUBBELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL DS320STBK is a 3-way, maintained rocker wall switch rated for 120/277V AC and 20 A. This non-illuminated switch is designed for commercial and industrial applications requiring reliable manual control.

Frequently Asked Questions

What is the HUBBELL DS320STBK rocker switch used for?

The HUBBELL DS320STBK is a 3-way maintained rocker wall switch used for manual on/off control of lighting or equipment from two locations. It is suited for commercial and industrial applications where reliable switching at 120/277V AC and 20 A is required.

What are the specifications of the HUBBELL DS320STBK?

The HUBBELL DS320STBK is a non-illuminated, 3-way maintained rocker switch rated for 120/277V AC and 20 A. It comes in black and is designed for wall-mount installation. The manufacturer part number is DS320STBK.

Where to buy the HUBBELL DS320STBK worldwide?

You can source the HUBBELL DS320STBK through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install a HUBBELL 3-way rocker switch?

To install a HUBBELL 3-way rocker switch, first turn off power at the breaker. Connect the common terminal to the incoming hot wire, and the traveler terminals to the companion switch. Secure the switch in the wall box and restore power. Always follow local electrical codes.

Used in

Common applications for HUBBELL
Commercial lighting control — HUBBELL toggle switches (e.g., HBL1203STW) for 3-way switching in office corridors
Industrial maintenance — HUBBELL overhead cables (e.g., OC5MB-03) for tool balancers in assembly lines
Institutional wiring — HUBBELL rocker switches (e.g., DS115ST) for single-pole control in school classrooms
Facility upgrades — HUBBELL decorator wall plates (e.g., P262GY) for standard 2-gang outlet covers in commercial buildings
Electrical repair — HUBBELL panel terminal screws (e.g., HBLTSR) for replacing worn terminals in Series 16 devices
Modern interface — HUBBELL touch switches (e.g., WSS1277SS) for maintained 3-way control in hospitality settings

HUBBELL Products

3G Electric supplies HUBBELL rocker wall switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC, 20 A (MPN DS320STILBK). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC, 20 A (MPN DS320STILBK). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Brown, 120/277V AC, 20 A (MPN DS320ST). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Brown, 120/277V AC, 20 A (MPN DS320ST). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Gray, 120/277V AC, 20 A (MPN DS320STGY). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Gray, 120/277V AC, 20 A (MPN DS320STGY). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Ivory, 120/277V AC, 20 A (MPN DS320STI). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Ivory, 120/277V AC, 20 A (MPN DS320STI). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Black, 120/277V AC, 20 A (MPN DS120STILBK). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Black, 120/277V AC, 20 A (MPN DS120STILBK). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Black, 120/277V AC, 20 A (MPN DS120STBK). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Black, 120/277V AC, 20 A (MPN DS120STBK). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.

More from HUBBELL

View all HUBBELL parts →
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Red, 120/277V AC, 20 A (MPN DS320R). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Red, 120/277V AC, 20 A (MPN DS320R). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, White, 120/277V AC, 20 A (MPN DS120STILW). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, White, 120/277V AC, 20 A (MPN DS120STILW). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Brown, 120/277V AC, 15 A (MPN DS115). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Brown, 120/277V AC, 15 A (MPN DS115). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Ivory, 120/277V AC, 20 A (MPN DS120STILI). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Ivory, 120/277V AC, 20 A (MPN DS120STILI). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC, 20 A (MPN SNAP2123ILBK). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, 3-Way, Maintained, Black, 120/277V AC, 20 A (MPN SNAP2123ILBK). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Black, 120/277V AC, 15 A (MPN SNAP2101PLBK). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Black, 120/277V AC, 15 A (MPN SNAP2101PLBK). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Light Almond, 120/277V AC, 20 A (MPN DS120STILLA). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, Light Almond, 120/277V AC, 20 A (MPN DS120STILLA). Key specifications — Illuminated: Yes; Voltage Rating: 120/277V AC.
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, White, 120/277V AC, 20 A (MPN DS120W). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.
HUBBELL
HUBBELL Wall Switch: Rocker Switch, Single Pole, Maintained, White, 120/277V AC, 20 A (MPN DS120W). Key specifications — Illuminated: No; Voltage Rating: 120/277V AC.